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DK6466C
(en)
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Device with electric arc lamps with downward directed carbon.
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DK7100C
(en)
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Arc lamp with converging, downward directed carbon.
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DK6793C
(en)
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Brake device for the moving Carbon in electric Arc lamps.
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DK6370C
(en)
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Device by Lamps with electric Ignition device and Auxiliary wick.
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ES33667A1
(en)
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Improvements in electric arc lamps.
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DK5825C
(en)
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Device for electric arc lamps.
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AT23210B
(en)
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Arc lamp.
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AT23514B
(en)
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Arc lamp.
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AT22181B
(en)
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Arc lamp charcoal.
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DK6769C
(en)
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Device by Gas lamps.
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DK7120C
(en)
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Device for electric incandescent lamps with long metallic incandescent wires.
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CH31668A
(en)
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Arc lamp electrode
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DK7044C
(en)
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Device for Incandescent burners.
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ES33562A1
(en)
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Improvements in electric arc furnaces.
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CH30934A
(en)
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Electric arc lamp
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ES33298A2
(en)
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Improvements in mineralized carbon arc lamps.
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DK9153C
(en)
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Device by Arc lamps with enclosed arc.
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CH31244A
(en)
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Electrode for arc lamps
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FR343943A
(en)
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Electric lamps
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CH31248A
(en)
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Control device on AC arc lamps
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DK9214C
(en)
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Device by Arc lamps with converging, downward-facing Coal.
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CH31499A
(en)
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Charcoal holder for arc lamps
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ES33775A1
(en)
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Improvements in electric incandescent lamps.
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DK6531C
(en)
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Device by Spotlights.
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ES33706A1
(en)
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An industrial result three-zone electric coals, for electric arc lamps.
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